Year	Index
1980	2.252
1981	2.459
1982	2.627
1983	3.065
1984	4.022
1985	5.217
1986	6.49
1987	7.217
1988	7.809
1989	9.067
1990	11.314
1991	17.092
1992	30.304
1993	36.992
1994	49.963
1995	59.91
1996	75.73
1997	83.044
1998	90.212
1999	95.608
2000	100
2001	109.509
2002	118.515
2003	130.297
2004	149.635
2005	169.716
2006	184.861
2007	201.812
2008	246.226
2009	269.809
2010	303.839
2011	326.705
2012	349.231
2013	381.906
2014	413.51
2015	428.742
2016	438.813
2017	458.045
2018	475.143
2019	492.42
2020	516.695
2021	542.53
2022	569.656
2023	598.139
2024	628.046